The statements which are correct are:
(A) Indian system of governance has federal structure. It is a three tiered system, each tier having executive functions.
(B) According to the constitution of India, central government is the highest executive body of India and the first tier of system.
(C) State Governments represent second tier and are managed by ruling governments in each state but they have no executive powers.
(D) Third tier is local level governance, only of panchayat.
Choose the correct answer from the options given below: